Jiangsu Yawei Transformer Co.,Ltd. is one of the leading manufacturers and suppliers of pad mounted transformers in China. Please feel free to buy high quality pad mounted transformers from our factory. Customized orders are welcome.

A pad-mounted transformer is a type of utility transformer that is commonly used in suburban and urban areas, as well as in industrial and commercial applications. It is mounted on a concrete pad and housed in a locked steel cabinet.
Housing: They are typically enclosed in tamper-resistant, locked metal cabinets. This housing protects the internal components from the environment and unauthorized access.
Types of Transformers: Pad-mounted transformers can be either single-phase or three-phase, depending on the requirement of the area they serve.
Voltage Ratings: The primary voltage (input) can vary significantly, often within the range of 2.4 kV to 35 kV. The secondary voltage (output) is typically lower and suitable for residential or commercial use (like 120/240V, 277/480V, etc.).
Capacity: The power rating of pad-mounted transformers can vary, but common sizes range from about 75 kVA to 5000 kVA.
Safety and Insulation: Pad-mounted transformers are designed with various safety features, including fault protection and robust insulation systems. They often adhere to stringent safety standards set by organizations like ANSI, IEEE, and NEMA.
Applications: These transformers are widely used to step down the high-voltage electricity supplied by the utility power lines to a lower voltage suitable for homes, businesses, and industrial facilities.
Maintenance: Pad-mounted transformers are designed for outdoor use and are generally low-maintenance, but they do require regular inspections and occasional servicing.
Environmental Protection: Many modern pad-mounted transformers are designed with environmentally friendly features, such as non-PCB (polychlorinated biphenyl) oils.
Accessories: They may include features like load-break or no-load-break switches, fuses, and other protective devices.
For specific technical details or model information, you can contact us
Quality Standards Of Product

1.Quality management system GB/T 19001-2016 ISO 9001: 2015
The operation of the whole YAWEI system is strictly controlled and managed. This ensures the quality of products and material in all stages, from receiving customer requests to design, materials, production, installation, testing, packaging, delivery, after-sales, all of which operate under strict and logically linked processes.
CERTIFICATEOFCOMPLIANCE of UL and CUL
YaWei pad mounted transformer have been evaluated by UL in accordance with the U.S and Canada Standard(s). Our transformer certified by UL based on Canadian standards (CSA standards) .
3.Accreditation certificate CE
Standard: EN 60076-1:2011.EN 60076-2:2011EN 60076-14:2013 confirms that YAWEI technical quality meets the requirements of all specific international standards for testing and calibration laboratories. All YAWEI products are fully tested in a qualified testing room before leaving the factory, ensuring stable quality and providing absolute peace of mind for customers.
Characteristics Of Yawei Power Transformer
Cover complete production line of transformer from winding wire, silicon sheet slitting and rolling, transformer oil tank producing and power transformer R&D,testing, installation and production.

Yawei automatic insulation wire wrapping line.Yawei has automatic, horizontal, vertical and manual winding lines comes up to different capacity request.
Winding on the primary and secondary windings has an excellent design structure to help the machine operate effectively.
Insulation wire wrapping line

Yawei transformer oil tank casting workshop. Professional work and team for different mold requirements.

awei configuration fin/ radiator producing workshop.

Yawei three phase pad-mounted transformer active part installation

Yawei three phase pad-mounted transformer oil into tank

Yawei three phase pad-mounted transformer testing

Yawei three phase pad-mounted transformer testing in line

Yawei three phase pad-mounted transformer packing(customized)

Three Phase Pad Mounted Transformer Parameter
Rated Capacity (kVA) | No-load Loss(kW) | Load Loss(kW) | No-load Current(%) | Impendance Voltage(%) | Dimension (LxWxH) (mm) | Total Weight (kg) |
100 | 200 | 1500 | 0.65 | 4.0 | 1180x1355x1735 | 729 |
150 | 280 | 2200 | 0.60 | 1830x1375x1735 | 989 | |
200 | 340 | 2600 | 0.50 | 1830x1375x1735 | 1195 | |
250 | 400 | 3050 | 0.50 | 1830x1405x1735 | 1355 | |
315 | 480 | 3650 | 0.45 | 1830x1425x1735 | 1415 | |
400 | 570 | 4300 | 0.45 | 1830x1435x1805 | 1675 | |
500 | 680 | 5150 | 0.40 | 1830x1445x1860 | 1905 | |
630 | 810 | 6200 | 0.40 | 4.5 | 1830x1445x1860 | 2165 |
800 | 980 | 7500 | 0.35 | 1830x1490x1860 | 2755 | |
1000 | 1150 | 10300 | 0.35 | 1830x1675x2005 | 3235 | |
1250 | 1360 | 12000 | 0.30 | 2100x1845x2035 | 4905 | |
1600 | 1640 | 14500 | 0.30 | 2100x1885x2135 | 5835 |
Single Phase Pad Mounted Transformer Parameter
Rated Power (KVA) | High Voltage (KV) | Low Voltage (V) | Loss (w) | |
No-load Loss (W) | On-load Loss (W) | |||
15KVA | 24.94kV/14.4kV 12.47kV/7.2kV 34.5KV/ 19.92KV/ 13.8KV/ 13.2KV/ or others | 120-240V 240-480V 347V 600V | 50 | 195 |
25KVA | 80 | 290 | ||
37.5KVA | 105 | 360 | ||
50KVA | 135 | 500 | ||
75KVA | 190 | 650 | ||
100KVA | 210 | 850 | ||
167KVA | 350 | 1410 | ||




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